180 



CEMENT AND CONCRETE 



f/oar ft> be /aitf 

 ce//ar is 



ARCH CENTERING 



>G>* B-3"at>arf 



FIG. 168. Fruit storage cellar. 



/WS/DE rOF?rl /?/=?/? WALL 

 FIG. 169. Inside form of fruit storage cellar. 



5) Construct outer side form so wall will be 10" thick at 

 bottom of arch and 6 " thick at top . When excavation 

 is carefully done, the outer form will be required only 

 above the ground surface. Be very careful in bracing 

 both the inner and outer forms to get best results. 



